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Diffstat (limited to 'src/render/Qt3DSRenderPathFontSpecification.cpp')
-rw-r--r-- | src/render/Qt3DSRenderPathFontSpecification.cpp | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/src/render/Qt3DSRenderPathFontSpecification.cpp b/src/render/Qt3DSRenderPathFontSpecification.cpp new file mode 100644 index 0000000..3e9276a --- /dev/null +++ b/src/render/Qt3DSRenderPathFontSpecification.cpp @@ -0,0 +1,145 @@ +/**************************************************************************** +** +** Copyright (C) 2015 NVIDIA Corporation. +** Copyright (C) 2017 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of Qt 3D Studio. +** +** $QT_BEGIN_LICENSE:GPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3 or (at your option) any later version +** approved by the KDE Free Qt Foundation. The licenses are as published by +** the Free Software Foundation and appearing in the file LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "render/Qt3DSRenderPathFontSpecification.h" +#include "render/Qt3DSRenderPathFontText.h" +#include "render/Qt3DSRenderBaseTypes.h" +#include "render/Qt3DSRenderContext.h" + +namespace qt3ds { +namespace render { + + NVRenderPathFontSpecification::NVRenderPathFontSpecification(NVRenderContextImpl &context, + NVFoundationBase &fnd, + CRegisteredString fontName) + : m_Context(context) + , m_Foundation(fnd) + , m_Backend(context.GetBackend()) + , mRefCount(0) + , m_NumFontGlyphs(0) + , m_EmScale(2048) // 2048 is default true type scale + , m_Type(NVRenderPathFormatType::UByte) + , m_TransformType(NVRenderPathTransformType::Translate2D) + , m_FontName(fontName) + { + } + + NVRenderPathFontSpecification::~NVRenderPathFontSpecification() + { + m_Context.ReleasePathFontSpecification(*this); + } + + void NVRenderPathFontSpecification::LoadPathGlyphs(const char *fontName, + NVRenderPathFormatType::Enum type) + { + // check if we already created it + if (m_NumFontGlyphs) + return; + + m_Type = type; + + // create fonts based on the input + m_PathRenderHandle = m_Backend->LoadPathGlyphsIndexedRange( + NVRenderPathFontTarget::FileFont, fontName, NVRenderPathFontStyleFlags(), 0, m_EmScale, + &m_NumFontGlyphs); + + // Fallback in case the previuos call fails + // This is a no-op if the previous call succeeds + // Note that sans is an inbuild driver font + if (!m_PathRenderHandle) { + m_PathRenderHandle = m_Backend->LoadPathGlyphsIndexedRange( + NVRenderPathFontTarget::SystemFont, "Arial", NVRenderPathFontStyleFlags(), 0, + m_EmScale, &m_NumFontGlyphs); + } + + // we should have some glyphs + QT3DS_ASSERT(m_NumFontGlyphs); + } + + void + NVRenderPathFontSpecification::StencilFillPathInstanced(NVRenderPathFontItem &inPathFontItem) + { + const void *glyphIDs = inPathFontItem.GetGlyphIDs(); + const QT3DSF32 *spacing = inPathFontItem.GetSpacing(); + if (!glyphIDs || !spacing || !inPathFontItem.GetGlyphsCount()) { + QT3DS_ASSERT(false || !inPathFontItem.GetGlyphsCount()); + return; + } + + m_Backend->StencilFillPathInstanced(m_PathRenderHandle, inPathFontItem.GetGlyphsCount(), + m_Type, glyphIDs, NVRenderPathFillMode::Fill, 0xFF, + m_TransformType, spacing); + } + + void NVRenderPathFontSpecification::CoverFillPathInstanced(NVRenderPathFontItem &inPathFontItem) + { + const void *glyphIDs = inPathFontItem.GetGlyphIDs(); + const QT3DSF32 *spacing = inPathFontItem.GetSpacing(); + if (!glyphIDs || !spacing || !inPathFontItem.GetGlyphsCount()) { + QT3DS_ASSERT(false || !inPathFontItem.GetGlyphsCount()); + return; + } + + m_Backend->CoverFillPathInstanced( + m_PathRenderHandle, inPathFontItem.GetGlyphsCount(), m_Type, glyphIDs, + NVRenderPathCoverMode::BoundingBoxOfBoundingBox, m_TransformType, spacing); + } + + QT3DSU32 + NVRenderPathFontSpecification::getSizeofType(NVRenderPathFormatType::Enum type) + { + switch (type) { + case NVRenderPathFormatType::Byte: + return sizeof(QT3DSI8); + case NVRenderPathFormatType::UByte: + return sizeof(QT3DSU8); + case NVRenderPathFormatType::Bytes2: + return sizeof(QT3DSU16); + case NVRenderPathFormatType::Uint: + return sizeof(QT3DSU32); + case NVRenderPathFormatType::Utf8: + return sizeof(QT3DSU32); + default: + QT3DS_ASSERT(false); + return 1; + } + } + + NVRenderPathFontSpecification * + NVRenderPathFontSpecification::CreatePathFontSpecification(NVRenderContextImpl &context, + CRegisteredString fontName) + { + QT3DS_ASSERT(context.IsPathRenderingSupported()); + + return QT3DS_NEW(context.GetFoundation().getAllocator(), + NVRenderPathFontSpecification)(context, context.GetFoundation(), fontName); + } +} +} |